ASAP PLEASE HELP ASAP
1.Alex poured some pond water into three beakers. She then put waterweed into each
beaker. She put the beakers in different places.

i) In which beaker did the waterweed grow best? Give the correct letter.

________

ii) The waterweed in the box changed from dark green to pale yellow. Why did this happen?

2.In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason
for this.

3.In another experiment, Alex put similar pieces of waterweed into two more beakers of pond water. She added fertiliser to one of them. She kept them both by a window.

i) Alex added fertiliser to beaker E. Suggest the results of this experiment.
ii) What do fertilisers contain to help plants grow? Tick the correct box.

Lysosome organelle plays a role in intracellular digestion.

To function, every living thing needs energy. Cells must not only take molecules from their surroundings but also degrade them in order to obtain energy from their external environment. Intracellular digestion is the term for this process.

Intracellular digestion is the process where food is taken directly into the cells and digested there. It happens in unicellular organisms like amoebas.

In intracellular digestion, food components are broken down into small molecules inside the food vacuoles of the cell. In extracellular digestion, food components are broken down into small molecules outside of the cell, either on the organic matter that is decomposing or in the alimentary canal lumen.

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Answer:

Biology

Explanation:

Bio=life

Biology is the study of life

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Answer:

Paracrine type of signaling has a membrane-bound signalling molecule that is created by one cell and is intended to reach another cell to cause an effect.

Explanation:

Cell signaling is a sort of communication system in which a cell generates a signal to cause changes in neighboring cells, changing the behavior of those cells. Paracrine signaling is one type of cell signaling.

The substance sent from a neuron to a muscle that enables the muscle to constrict is just an example of the paracrine signal.

Are paracrine and endocrine the very same thing?

While autocrine signaling affects the signaling cell directly, endocrine signaling transports chemicals through the circulatory system. Through gap junctions, signaling molecules can travel directly between neighboring cells.

The phenomenon is known as a paracrine relationship, as well as the diffusible proteins are known as paracrine factors or differentiation plus growth factors when they can disperse across short distances to affect nearby cells (GDFs).

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Animals, Plants, and Fungi are multicellular, meaning that they have more than one cell in their body. Each cell also has a nucleus in it, a property which the other two kingdoms, Bacteria and Eubacteria don't have.

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streptococcus pyogenes is the correct scientific name for a microbial species.

A species of aerotolerant, gram-positive bacteria belonging to the genus Streptococcus is called Streptococcus pyogenes. These bacteria are extracellular and composed of cocci (round cells), which are not spore-producing or motile and frequently form chains. Since they are a rare but typically pathogenic component of the skin microbiota that can result in Group A streptococcal infection, they are clinically significant for humans. According to the type of hemolysis performed on blood agar, they are separated into three groups: beta-hemolytic (full red cell lysis), a hemolytic (green hemolysis), and gamma-hemolytic (no hemolysis). A specific type of bacteria, such as staphylococcus aureus, klebsiella pneumoniae, and escherichia coli, causes a particular disease.

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The scientist who formulated the three laws of planetary motion by analyzing the data on the precise location of planets in the sky was: Johannes Kepler

German mathematician and astronomer Johannes Kepler made the discovery that the Earth and planets had elliptical orbits around the sun. He listed the three guiding principles of planetary motion.

Planets circle the sun in an elliptical pattern, which is explained by Kepler's first rule, sometimes known as the law of ellipses. A pencil, two tacks, a rope, a sheet of paper, and a piece of cardboard may all be used to create an ellipse.

According to Kepler's second rule, a planet travels in its orbit so that a line drawn between it and the Sun and focused on it covers the same amount of space in the same amount of time.

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The correct option is (D) the attraction between water molecules.

The attraction between water molecules cause surface tension.

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I understand that the question you are looking for is "What is surface tension?

A.) the fluid located between the pleural membranes

B.) the stretchiness of the lung tissue

C.) the collapse of alveoli

D.) the attraction between water molecules"

When electrons are removed from a food molecule, the molecule is (e) oxidized.

Electrons are the sub-atomic particles that surround the nucleus in an atom. The charge of an electron is e = 1.60217663 × 10-19 coulombs. The electrons are negatively charged, They can occur in free state as well. Electron itself is made of quanta of energy.

Oxidation is gain of oxygen atom. However, for being oxidized, not always oxygen has to be gained. The loss of electrons is also oxidation. This results in the increase in oxidation state. Loss of hydrogen atom is also oxidation. For example formation of magnesium oxide involves oxidation of magnesium.

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A purple blood mobileular has what's referred to as a biconcave form. Both facets of the mobileular's floor curve inward just like the indoors of a sphere. The shape is known as biconcave disk.

This form aids in a purple blood mobileular's cappotential to move via tiny blood vessels to supply oxygen to organs and tissues.The round erythrocyte is synthesized with inside the bone marrow with inside the mammals that's biconcave in shape.

After synthesis, the nucleus is eliminated through the manner known as nucleation. The absence of a nucleus lets in the crimson blood cells to incorporate greater hemoglobin and as a result convey greater oxygen.

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The discovery of ribozymes provide evidence that life on the early earth may have been based on RNA.

Ribozymes are the RNA molecules with the capability of  performing catalysis. They are, therefore, also called catalytic RNA.  Ribozymes are present in ribosomes where the catalyze the joining of amino acids to form polypeptides.

RNA is the transcript of DNA. These are usually single-stranded structures. There are majorly three types of RNA: m-RNA, t-RNA and r-RNA.  The difference from DNA is that in RNA, ribose sugar is present instead of deoxyribose and it consists of uracil as the nucleotide. Translation of m-RMA forms the protein.

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An animal cell's organelle recycling facility, the lysosome is an organelle that houses digestive enzymes. It disassembles dated and pointless structures so that their molecules can be recycled. Some vesicles that exit the Golgi are directed to lysosomes, which are a component of the endomembrane system.

Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a part of all living things. Enzymes are created by our bodies spontaneously. However, food and manufactured goods both contain enzymes.

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When the art of one age has so defined the characteristics of human beings that it can speak eloquently to another age, we call this universal. The most numerous and ubiquitous species of primates, humans (Homo sapiens) are distinguished by their bipedalism and enormous, complex brains. This has made it possible for the advancement of culture, language, and tools.

Humans are highly social creatures who want to live in elaborate social systems made up of a variety of coexisting and conflicting groupings, ranging from families and kinship networks to political states. Human social interactions have produced a vast range of values, social conventions, and eloquently that support human society.

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The pons conveys information about movement from the cerebral hemispheres to the cerebellum.

Brain is defined as an important organ of body which controls all the functions of the body and have command on all the body organs.

The outermost part of brain is known as dura mater which consist of a strong membrane layering and it is thick located just beneath the skull and vertebral column.

The outermost part or cerebrum has billions of neurons and glia that are responsible for the formation of cerebral cortex, the outermost part.

Whenever body stuck in a dangerous situation, the signal in the form of information is conveyed to brain and the particular part that receives the signal is known as amygdala.

Therefore, The pons conveys information about movement from the cerebral hemispheres to the cerebellum.

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The submucosa houses numerous mucous glands that provide thick, lubricating mucus for the epithelium.

What is a mucous gland?

Mucous gland, also known as muciparous glands, are found in several different parts of the body, and they typically stain lighter than serous glands during standard histological preparation.

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The cori cycle involves formation of glucose made by gluconeogenesis in the liver from lactic acid produced by fermentation in skeletal muscles.- True.

Gluconeogenesis is the process of formation of glucose from non carbohydrate sources like amino acids, glycerol and lactate.

The process fermentation occurs in the muscles when it is working continuously and anaerobic condition occurs and lactate is produced.

Cori cycle is a metabolic pathway present in our body in which their is conversion of lactate produced by the muscles back into glucose in the liver and is transported back to the muscle for utilization.

It usually occurs when is muscle to doing heavy work in anaerobic condition.

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In a fingerprint, the number of deltas found in an arch pattern is less than the number of deltas found in a loop pattern.

A fingerprint is a detailed pattern of friction ridges comprised of low points called valleys or depression and high points called ridges that can be found on our hands, feet and toes. The ridges and valleys combine to form a unique pattern on the fingertips called prints. Fingerprints can be classified into three patterns: loop, arch and whorl.

All fingerprints contain a core and a delta. The core is found in the approximate center of the print. The delta is the point where the ridges form a triangular shape, usually in front of the core.

A fingerprint with an arch pattern usually has no delta, while loop patterns have one delta. The whorl pattern has two deltas.

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Common task such as examine animals to assess their health and diagnose problems,Treat and dress wounds,Perform surgery on animals,Test for and vaccinate against diseases,Operate medical equipment, such as x-ray machines,Advise animal owners about general care, medical conditions, and treatments,Prescribe medication.

Treat unwell or injured animals through prescribing medication, placing bones, dressing wounds, or acting surgery. Inoculate animals towards numerous sicknesses, inclusive of rabies or distemper. Examine animals to come across and decide the character of sicknesses or injuries.

Medical specialists regularly speak approximately the “Standard of Care,” a hard and fast of recommendations that outline the suitable remedy for a selected fitness problem. The fashionable of care is what facilitates make certain that sufferers obtain a comparable primary stage of care regardless of wherein they are treated

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Answer:A,B,C,E

Explanation:Just did It.

After a major crude oil spill, a variety of specific microbes is distributed in the area of the spill. this would be an example of Bioremediation

A subfield of biotechnology called "bioremediation" uses living things like bacteria and microorganisms to clean up contaminated environments. It is used to clean up poisons, pollutants, and other contaminants from water, soil, and other habitats.

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The organizations who would presumably have the most divergent opinions on offshore oil drilling are environmentalists and oil businesses.

Oil drilling lowers the pressure in subterranean oil reservoirs, which significantly lowers seepage of hydrocarbons and atmospheric methane gas. Increased drilling activities, according to scientific theory, may continue to improve atmospheric and aquatic conditions.

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The correct answer is eutrophication.

Eutrophication is an improvement of the water caused by nutritional salts that causes some restructuring of the ecosystem, including increased growth of algae, fish species extinction, general worsening of water quality, and other negative impacts that discourage and limit the use of water.

The majority of water bodies are susceptible to the gradual and natural eutrophication process, but owing to human activity, it is happening more quickly presently. We refer to this as cultural eutrophication.

Unwanted effects and environmental inequities are created when this eutrophication process is very vigorous.

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Answer:

You can use all five of your senses to make observations: your sense of sight, hearing, smell, touch, and taste

The boundary of the nucleus is known as the nuclear envelope. It includes  phospholipid bilayers: an outer membrane and an internal membrane. The nuclear membrane is non-stop with the endoplasmic reticulum.

It includes  phospholipid bilayers an outer and an internal membrane. The nuclear membrane is non-stop with the endoplasmic reticulum. Nuclear pores permit materials to go into and go out the nuclues.

The essential shape of the membrane is the phospholipid bilayer, which bureaucracy a strong barrier among  aqueous booths. In the case of the plasma membrane, those booths are the internal and the out of doors of the cell.

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Gymnosperms are flourless, seed-bearing plants. Therefore, the answer is option B.

Gymnosperms are seed bearing plants. Since gymnosperms do not have flowers, their seeds are not usually encased in an ovary, unlike the angiosperms. Instead, their seeds are open on the surface of bracts (leaf like structures).

Gymnosperms grow mostly in temperate forests and cold boreal forests. There are four main divisions of gymnosperms which include:

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The release of the hormone epinephrine will be helpful to a person who encounters a lion because it will lead to the supply of more energy to the muscles in the body and increased blood supply due to which the person can run away from the place of danger to a safe place.

The adrenal gland is a part of the endocrine system of the body.

It consists of two parts- the adrenal cortex and adrenal medulla.

The adrenal medulla secretes two hormones- adrenaline/epinephrine and noradrenaline/norepinephrine.

These hormones are released in response to any stressful situation and during emergency conditions, so they are called emergency hormones or hormones of Fight or Flight.

These hormones have the following effects on the body:-

They increase alertness.

They increase the heartbeat, the strength of contraction of the heart, and also the respiratory rate.

They also stimulate the activation of energy-generating catabolic pathways.

The above-mentioned effects help a person to escape a stressful situation.

Thus, the release of the hormone epinephrine will be helpful to a person who encounters a lion because it will lead to the supply of more energy to the muscles in the body and increased blood supply  due to which the person can run away from the place of danger to a safe place.

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Tetraploidy may result from

(c)lack of cytokinesis in mitosis and

(d) nondisjunction in mitosis in the early embryo.

Triploidy happens quite frequently, whereas tetraploidy is an uncommon chromosomal anomaly. In the first trimester, the majority of triploid embryos miscarry. The conceptus has a triploid karyotype in about 20% of first-trimester spontaneous abortions, according to the research. Chromosome duplication in a somatic cell of an early cleavage-stage embryo, a postzygotic event, is the most likely cause of tetraploidy. A rare diploid ovum may be fertilised by a similarly rare unreduced sperm.

Although the tetraploid form on the left is self-fertile, crosses with the parent diploid form result in sterility. It might then be broadly regarded as a new species, or at the very least the building blocks for the eventual emergence of a new species.

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